I am 3 weeks post op, had my seroma drained (120ml) for the 1st time . Is 120 a lot and how quickly can the seroma stops?

A 120 mL seroma is not particularly large after in abdominoplasty. It probably will require several aspirations before it resolves.

120cc is not a lot in terms of seroma. It is very common after TT surgery. Weekly drainage is advised untilall the fluid is gone. 

Dear Newme,Thank  you for your post.Seromas can be tricky.  They can persist for a long time or go away quickly.  frequent aspirations are necessary, and tight compression non-stop.  If it does not go away, then occationally opening up the area and removing the capsule of the seroma and placing a drain in necessary.Best wishes, Pablo Prichard, MD

Sorry you are having this problem.  Your body quickly resolves this issue.  With the amount you stated that was drained, you may not have any more problems.  Continue wearing your compression garment, and follow up with your surgeon as he recommends. Best wishes for a fast recovery!